Web socket providers utilize web socket APIs / clients to retrieve data from external sources. The data is then transformed into a common format and aggregated across multiple providers. To implement a new provider, please read over the base provider documentation in providers/base/README.md.
Web sockets are preferred over HTTP APIs for real-time data as they only require a single connection to the server, whereas HTTP APIs require a new connection for each request. This makes web sockets more efficient for real-time data. Additionally, web sockets typically have lower latency than HTTP APIs, which is important for real-time data.
The current set of supported providers are:
- Crypto.com - Crypto.com is a cryptocurrency exchange that provides a free API for fetching cryptocurrency data. Crypto.com is a primary data source for the oracle.
- OKX - OKX is a cryptocurrency exchange that provides a free API for fetching cryptocurrency data. OKX is a primary data source for the oracle.